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【单选题】

A radio link between a transmitting earth station and a receiving earth station through one satellite is named a（）.

A、Radio link

B、Space segment

C、Satellite link

D、upper link

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更多“A radio link between a transmitting earth station and a receiving earth station through one satellite is named a（）.”相关的问题
第1题
[多选题] 以下属于Iur口的信令有（）

A、RADIO LINK SETUP FAILURE  B、RADIO LINK RECONFIGURATION FAILURE  C、PHYSICAL CHANNEL RECONFIGURATION FAILURE  D、RADIO LINK DELETION RESPONSE  

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第2题
[多选题] Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?（）

A、use a Layer 2 link between distribution switches  B、use a Layer 3 link between distribution switches  C、use a redundant link to the core  D、use a Layer 3 link between distribution switches with route summarization  

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第3题
[多选题] 以下属于Iub接口的信令有（）

A、RRC CONNECTION REQUEST  B、RADIO LINK RESTORE INDICATION  C、RADIO BEARER RECONFIGURATION REQUEST  D、SYSTEM INFORMATION UPDATE RESPONSE  

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第4题
[单选题] Which statement is correct about an OSPF sham-link？（）

A、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.  B、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.  C、A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.  D、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.  E、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.  

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第5题
[多选题] Which two features prevent routing loops between the OSPF sites of a customer when the sites aremultihomed or a backdoor link is used between the sites？ （）

A、sham link  B、down bit  C、virtual link  D、Site of Origin  E、domain tag  

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第6题
[多选题] Which two of these are correct regarding the recommended practice for distribution layer designbased on the following configuration？（）

A、 use a Layer 2 link between distribution switches  B、 use a Layer 3 link between distribution switches  C、 use a redundant link to the core  D、 use a Layer 3 link between distribution switches with route summarization  

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第7题
[简答题] R1，R2，R3 are all in same ospf area， there is a virtual link between R1 and R3. Pls answer： Are the hello packets exchanged between the virtual link？

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第8题
[单选题] Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）

A、The access link needs to be configured in multiple VLANs.  B、The link between the switches is configured in the wrong VLAN.  C、The link between the switches needs to be configured as a trunk.  D、VTP is not configured to carry VLAN information between the switches.  E、Switch IP addresses must be configured in order for traffic to be forwarded between the switches  

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第9题
[单选题] Routers A and B have an OC12c and a GE link between them and are running OSPF over both of these links.Which item is correct， assuming the default JUNOS software OSPF metric calculation？（）

A、There are two equal cost paths between A and B  B、The GE link is the preferred path between A and B  C、The OC12c link is the preferred path between A and B  D、Manual metric assignment must be configured to determine the outcome.  

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